here are other, less exotic ways of reducing internal-combustion emissions while waiting for the EV revolution to fully take hold, points out Whitefoot.
Hybrid electric-gas vehicles can help bridge the gap, she notes, as can newer but more expensive types of synthetic fuels that produce fewer emissions, as well as simply embracing smaller, lighter vehicles that require smaller engines.
But the market has so far proven hesitant to embrace those more conventional strategies. If plasma igniters can offer a breakthrough improvement for tens of dollars and a few turns of a wrench, they may provide the temporary fix we badly need
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